Carved chair back



FIG. 1 is a front elevational view of a carved chair back showing my new design;

FIG. 2 is a right-side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines outlining the chair back frame in FIGS. 1, 3, 5, and 6 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a carved chair back, as shown and described. 